Saturday

January 31, 2015

January 31, 2015

Posted by **danielle** on Monday, October 20, 2008 at 11:55pm.

Solve the system of equations using the substitution method.

x-y=-1

5x+4y=-23

- algebra -
**Rico_TLP**, Tuesday, October 21, 2008 at 12:02amEqn (1) to be mly by 4,

then we have 4x-4y=-4,

(2)5x+4y=-23

----------

9x+ 0=-27

9x=-27

x=-27/9=-3

x=-3.

to get y,

we substitute in the eqn(1)

(x-y=-1) as -3-y=-1

-3+1=y

y=-2.

Therefore, we get x=-3

y=-2

**Answer this Question**

**Related Questions**

Linear Equations - Can you please help solve this equation using the ...

algebra - i need help with these problems (either a solution or how to plug them...

algebra - Can someone please help. When you solve a system of equations by the ...

algebra - Can someone help me figure this out please? when you solve a system of...

algebra - When you solve a system of equations by the substitution method, how ...

algebra - when you solve a system of equations by the substitution method, how ...

Algebra - Solve the following system of equations using the substitution method:...

Algebra - Solve the system of linear equations using the substitution method. 3x...

Algebra - Using the substitution method, what is the value of a in the solution ...

Algebra Multiple Choice - Hello, This is the last of questions I have for my ...